CVE-2026-40045 — OpenClaw before 2026.4.2 accepts non-loopback cleartext
CVE-2026-40045 — OpenClaw before 2026.4.2 accepts non-loopback cleartext ws:// gateway endpoints and transmits stored gateway credentials over unencrypted connections. Attackers can forge discovery results or craft setup codes to redirect clients to malicious endpoints, disclosing plaintext gateway
What This Means For You
- If your environment is affected by CWE-319, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-40045 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
OpenClaw Cleartext Credential Transmission - CVE-2026-40045
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-40045 | vulnerability | CVE-2026-40045 |
| CWE-319 | weakness | CWE-319 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 21, 2026 at 03:16 UTC |
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